<% form_tag('javascript:void(0)') do %>
Listing users <%= text_field_tag 'search', @search %> 
<%= observe_field :search, :frequency => 0.5, :update => 'ajaxWrapper', :before => "Element.show('spinner')", :complete => "Element.hide('spinner')", :url => {:action=>'search', :only_path => false}, :with => "'search=' + encodeURIComponent(value)" %>
<% end %>
<%= render :partial=>'search' %>
